Mods and cosmetic changes to sphinx and numpydoc upgrade instructions.
Mods and cosmetic changes to sphinx and numpydoc upgrade instructions.

google-code-export/pysal,google-code-export/pysal,pombreda/pysal,pombreda/pysal,pombreda/pysal,google-code-export/pysal,pombreda/pysal,google-code-export/pysal